104143121134120 has 128 divisors (see below), whose sum is σ = 250037078860800. Its totient is φ = 38947549741056.

The previous prime is 104143121134109. The next prime is 104143121134147. The reversal of 104143121134120 is 21431121341401.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31685572 + ... + 34817548.

It is an arithmetic number, because the mean of its divisors is an integer number (1953414678600).

Almost surely, 2^{104143121134120} is an apocalyptic number.

104143121134120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104143121134120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125018539430400).

104143121134120 is an abundant number, since it is smaller than the sum of its proper divisors (145893957726680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104143121134120 is a wasteful number, since it uses less digits than its factorization.

104143121134120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3132827 (or 3132823 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 104143121134120 its reverse (21431121341401), we get a palindrome (125574242475521).

The spelling of 104143121134120 in words is "one hundred four trillion, one hundred forty-three billion, one hundred twenty-one million, one hundred thirty-four thousand, one hundred twenty".